SAKALAUSKAITĖ, Jūratė. Partial cut elimination for combinations of propositional multi-modal logics with past time. Lietuvos matematikos rinkinys, [S. l.], v. 52, n. proc. LMS, p. 257–261, 2011. DOI: 10.15388/LMR.2011.ml07. Disponível em: https://www.journals.vu.lt/LMR/article/view/15443.. Acesso em: 2 may. 2024.